Web Development (HTML and CSS) Tools and Resources
Documentation
Charts and Data Visualization
ChartCSS https://chartscss.org/
No JS. Hierarchical.
ChartJS https://www.chartjs.org/
Chart Library. Actively developed.
Chartist https://github.com/gionkunz/chartist-js
Chart Library.
Frappe-Charts https://frappe.io/charts
Chart library developed by Frappe.
Frappe-Datatable https://frappe.io/datatable"
Datatable library developed by Frappe.
Frappe-Gantt https://frappe.io/gantt
Gantt chart and scheduling library developed by Frappe.
OrgChart https://github.com/dabeng/OrgChartchartist-js
Description.
OrgChart https://metricsgraphicsjs.org/
MetricsGraphics.js is a library built on top of D3 that is optimized for visualizing and laying out time-series
data. Originally by Mozilla. Examples: https://metricsgraphicsjs.org/examples.htm.
Validation and Rendering
W3 Validator https://validator.w3.org/nu/
HTML validator
Responsive rendering https://www.responsinator.com
Responsive rendering on different devices
Github Preview https://htmlpreview.github.io/
View branches of github static websites.
Favicons
Icon Sets
EXIF Cleanup
Exifcleaner https://exifcleaner.com/
Open source application for removing EXIF data from photos. Builds a nice Graphical User Interface (GUI) on top
of Phil Harvey's Exiftool
exif.tools https://exif.tools/
Simple GUI on top of Phil Harvey's Exiftool
Other Resources
Image Resizing
Squoosh.app: https://squoosh.app/
Image conversion and resizing based on best in class codecs
Free Stock Photos